> mencoder -oac copy -ovc copy -endpos X -o part1.avi
> mencoder -oac copy -ovc copy -startpos X -o part2.avi
>> please lookup endpos and startpos (I am doing this off the top of my head, so
> check the man page!)
>> -o(v/a)c copy just copies the streams as they are (might not be exactly the
> frame/time specified, due to the codecs limitations though)
-startpos = -ss (startpos would of course be more logical)
This only works if your avi file is indexed or can be indexed iow it
muse be < 2 Gb.